Inside the fuel tank.
Behind the glove box
No.
That is the knock sensor
No it will not.
The 1989 Chevy Silverado pickup truck window wiper relay switch can be found on the firewall in the engine compartment. The relay switch will be on the passenger side of the firewall.
Yep... It should have one.
.035
On the fuel line.
By blower I assume you the motor.It is located under the hood,where the right inner & outer fender meet the firewall.
.035
It depends on the height of the curb.
YES it will bolt right on.